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Stefan Van ZoggelSV

Stefan Van Zoggel

C++ C#, python, expert in streaming video

€520/day
2 projects
Someren-Heide, NL
15+ years

Average response time: 1 hour

About Stefan

Software Architect & Engineer with Expertise in Linear Broadcast and Streaming Video Solutions

Co-founder of Dualz Solutions and Dualz Software, specializing in DVB and OTT monitoring and multiviewer solutions. Extensive experience in software architecture, design, and engineering with a focus on cross-platform C++ development across Microsoft, .NET, DirectShow, Gstreamer in Windows and Linux environments. Proficient in various broadcast domains including DVB MPEG2/MPEG4, AVC, H.264, HEVC, and protocols like HLS, DASH, RTMP, ZIXI, SRT, NDI and RTSP.

Expertise in developing and managing MPEG/DVB streaming, video processors, and monitoring tools, leveraging technologies such as Python, C++, C#, Delphi, DirectShow, and GStreamer. Skilled in using a wide array of development tools including Clearcase, GIT, Jira, Visual Studio, and Jenkins, within Agile, Scrum, and DevOps methodologies.

Specialist in DVB and OTT solutions, with deep knowledge of Dektec, Blackmagic, Magewell SDKs, and video processing frameworks. Owner of several advanced products in the broadcast domain, demonstrating a strong track record in software innovation and leadership.
  • Dutch

    Native or bilingual

  • English

    Fluent

  • Dutch

    Native or bilingual

Can work on-site
Someren-Heide (up to 50km)

Experience

  • Dualz Solutions BV
    Development professional DVB/MPEG solutions
    March 2015 - Today (11 years and 3 months)
    Someren, Netherlands
    I am working on several solutions for professional DVB/MPEG systems (linear broadcasting) and narrowcasting. Transport stream analyzers, monitoring and mosaic systems are used in professional services, NOC and digital headends. Narrowcasting as part of a broadcast equipment, containing a professional rss playout system and also an infotv system for MSE. Including UDP/RTP streaming, (de)multiplexing, video encoding, decoding, video overlay, crawlers, logo insertion, etc. We use Dektec (DTAPI), Mainconcept for encoding/ decoding, Magewell for SDI or HDMI inputs and Medialooks for video image overlays, runs 24x7, stable as a rock! Please visit http://www.videotooling.nl Technology : linux, Qt, C#, C++ , DirectShow, Medialooks, Mainconcept, MPEG2, MPEG4, UDP, RTP, RTSP, RTMP, DTAPI, Blackmagic (decklink), Magewell and more...
  • Dualz Software BV
    Development Transport Stream Analyzer, Monitor and Multiviewer (MPEG2/4 and DVB)
    January 2006 - Today (20 years and 5 months)
    Someren, Netherlands
    As software architect/engineer and owner of Dualz Software BV, I developed SAM/SMART, a product for analyzing, visualization and monitoring service broadcasts (audio, video, data) in the DVB linear broadcast domain. This product in a 24x7, distributed environment, reports alarms and interfaces with external devices, using standard interfaces like SNMP, and dedicated interfaces. Indepth analysis can be done on transport streams. The multiviewer shows picture, vumeters, alarm indication panels, clocks, EPG info, etc. Also transcoding and streaming video are implemented. Related topics: DVB, MPEG2, MPEG4, H.264, DVB-S/S2, DVB-T/T2, ASI, ISDB-T, ATSC, ECM, ETSI TR290, Multiviewer, mosaic, CA, PSI/SI, loudness, OTT, SNMP, streaming video, Dektec, DTAPI, ... The multiviewer can be encoded and sent via live streaming over the internet in UDP, RTMP, RTSP or whatever appropriate protocol. Programming languages and tooling: C++, C#, Delphi, SOAP, Microsoft Visual Studio, DirectShow, Windows SDK, Microsoft Media Foundation Other tooling: SVN, tortoise, TRAC 'SAM' or 'SMART' was initially developed together with Impeq Technologies. In september 2014, Axon Digital Design bought non-exclusive development rights of the SAM product, and since then the product is also available as "SMART DVB", marketized bij Axon in the professional TV broadcasting area, In March 2019, Dualz Solutions became owner of the complete SMART product. SAM is the software-only (lite version), SMART the broadcast industry solution, including hardware and SLA services. See also our company site: www.dualz.com
  • Volt AI
    Software Developer AI streaming video
    October 2022 - March 2024 (1 year and 5 months)
    Washington, DC, USA
    As a software developer, I was responsible for the video layer, bringing hundreds of RTSP camera feeds to the edge system, and feeding them to the NVIDIA AI core for object detection. Using GStreamer, Deepstream and internal pipelines,build in python and C/C++. I created GStreamer plugins in C/C++, test cases, CI/CD, unit testing, system testing. Technology AWS KVS, signaling channels, webRTC, HLS streaming, and more.

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Education

  • Master of Science
    Technische Universiteit Eindhoven
    1994
    Master of Science (MSc), Informatica

Certifications

  • Microsoft Certified Professional
    Microsoft
    1998

Skill set

Categories